Inventor
NAITO HAYATO
JP23 patents
⚠️ This page may combine multiple inventors who share the name “NAITO HAYATO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANKYO SEIKI SEISAKUSHO KK
18 patentsUS5686770ANov 11, 1997
Position detector of a brushless motor
SANKYO SEIKI SEISAKUSHO KK26 citations92
US5552964ASep 3, 1996
Switch mounted on circuit board and method of mounting switch on circuit board
SANKYO SEIKI SEISAKUSHO KK26 citations92
US4658190AApr 14, 1987
Reduced ripple drive circuit for a brushless motor
SANKYO SEIKI SEISAKUSHO KK33 citations92
US6713979B2Mar 30, 2004
Actuator drive circuit
SANKYO SEIKI SEISAKUSHO KK17 citations84
US6528916B1Mar 4, 2003
Brushless motor
SANKYO SEIKI SEISAKUSHO KK14 citations83
US5196771AMar 23, 1993
Brushless motor drive circuit
SANKYO SEIKI SEISAKUSHO KK20 citations82
US5761375AJun 2, 1998
Brushless motor speed detection device
SANKYO SEIKI SEISAKUSHO KK12 citations74
US5378967AJan 3, 1995
Brushless motor drive circuit
SANKYO SEIKI SEISAKUSHO KK7 citations74
US5331259AJul 19, 1994
Brushless motor drive circuit
SANKYO SEIKI SEISAKUSHO KK11 citations74
US5173645ADec 22, 1992
Brushless motor drive circuit
SANKYO SEIKI SEISAKUSHO KK19 citations74
US5155419AOct 13, 1992
Brushless motor drive circuit having a highly accurate sinusoidal output signal
SANKYO SEIKI SEISAKUSHO KK19 citations74
US5140232AAug 18, 1992
Brushless motor drive circuit
SANKYO SEIKI SEISAKUSHO KK7 citations74
US5689181ANov 18, 1997
Brushless motor speed detecting apparatus for reducing generation of spike voltage
SANKYO SEIKI SEISAKUSHO KK11 citations71
US6495938B2Dec 17, 2002
Brushless motor, method for operating brushless motor and method for manufacturing brushless motor
SANKYO SEIKI SEISAKUSHO KK8 citations68
US6552505B2Apr 22, 2003
Method for driving motors and apparatus for driving motors
SANKYO SEIKI SEISAKUSHO KK6 citations63
US5373252ADec 13, 1994
Circuit for preventing saturation of a transistor
SANKYO SEIKI SEISAKUSHO KK4 citations63
US5237247AAug 17, 1993
Three-phase sine wave signal synthesizing circuit and brushless motor drive circuit using the same
SANKYO SEIKI SEISAKUSHO KK5 citations63
US6791824B2Sep 14, 2004
Tape running apparatus, motor board, and capstan motor
SANKYO SEIKI SEISAKUSHO KK3 citations61